# DIBBS #SPE4A6-27-T-5988

DLA procurement for 9 close-tolerance screws

**Posted:** October 23, 2026
**Respond By:** October 30, 2026
**Identifier:** SPE4A6-27-T-5988
**NAICS:** 332722

The Defense Logistics Agency is seeking a small quantity of close-tolerance screws for its Weapons Support organization.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, ASC Commodities Division; listed contact: Michael Blain.
- **Requirement:** 9 close-tolerance screws, NSN 5305-01-133-1572.
  - Specified part number: ST3M557-4-4.
  - Approved alternate part numbers: HT4027-4-4 and WC4027-4-4.
- **Named OEMs and approved sources:** Twist Tite Mfg, Inc.; Howmet Global Fastening Systems Inc.; SPS Technologies, LLC; Fastener Innovation Technology, Inc.; West Coast Aerospace, Inc.; Hi-Shear Corporation; and The Boeing Company.
  - Listed source part numbers: ST3M557-4-4, HT4027-4-4, and WC4027-4-4.
- **Notable requirements:** Delivery is FOB origin, with inspection and acceptance at DLA Distribution Depot Hill. Delivery is required 171 days after award.
- The solicitation references technical data; no separate attachments are listed.

### Description

SCREW, CLOSE TOLERANCE (QTY: 9, NSN: 5305-01-133-1572, Purchase Request: 7018833146)
  Approved Sources:
  - CAGE: 007R1, Part No: ST3M557-4-4, Company: TWIST TITE MFG, INC
  - CAGE: 06950, Part No: HT4027-4-4, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 56878, Part No: HT4027-4-4, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 58998, Part No: ST3M557-4-4, Company: FASTENER INNOVATION TECHNOLOGY, INC
  - CAGE: 60516, Part No: WC4027-4-4, Company: WEST COAST AEROSPACE, INC.
  - CAGE: 73197, Part No: HT4027-4-4, Company: HI-SHEAR CORPORATION
  - CAGE: 76301, Part No: ST3M557-4-4, Company: THE BOEING COMPANY
  - CAGE: 80539, Part No: HT4027-4-4
  - CAGE: L4528, Part No: HT4027-4-4
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T5988)